Home / 4,870.32-6,717.24-2,980.32

Finding the Fourth Proportional to 4,870.32, 6,717.24 and 2,980.32

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Solution

The fourth proportional to 4,870.32, 6,717.24 and 2,980.32 is: 4,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.32 : 6,717.24 = 2,980.32 : x
  2. Step 2: Convert to fraction form
    4,870.32/6,717.24 = 2,980.32/x
  3. Step 3: Cross multiply
    4,870.32x = 6,717.24 × 2,980.32
  4. Step 4: Simplify right side
    4,870.32x = 20,019,524.72
  5. Step 5: Solve for x
    x = 20,019,524.72/4,870.32
  6. Step 6: Final answer
    x = 4,110.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.